CN103198637A - Scheme of wireless sensor network system for on-line environment detection - Google Patents
Scheme of wireless sensor network system for on-line environment detection Download PDFInfo
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- CN103198637A CN103198637A CN2013101297985A CN201310129798A CN103198637A CN 103198637 A CN103198637 A CN 103198637A CN 2013101297985 A CN2013101297985 A CN 2013101297985A CN 201310129798 A CN201310129798 A CN 201310129798A CN 103198637 A CN103198637 A CN 103198637A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a scheme of a wireless sensor network system for on-line environment detection. Through the scheme, required environmental parameters can be monitored in real time, and wireless sensor network nodes have the characteristic of low consumption. According to the wireless sensor network system for the on-line real-time environment detection, a first processor is respectively in with a digital temperature sensor and other environmental parameters, the first processor is in the signal connection to a wireless transmission module, the wireless transmission module is in two-way signal connection with a wireless receiving module, the wireless receiving module is in the signal connection to a second processor, the second processor is in the signal connection with an LCD (liquid crystal display) and a first computer respectively, and the first computer is in the two-way signal connection with a second computer. According to the scheme, the sensors of temperature and the like are utilized to detect the environmental parameters, the wireless modules are utilized for remote data transmission, the sensors are utilized for detection at a detection end, data are transmitted to the computers for data processing and the computer networking is implemented for data sharing.
Description
Technical field
The present invention relates to the radio sensing network technology, specially refer to the wireless sensing network system scheme that a kind of online environment detects in real time.
Background technology
Along with the develop rapidly of China's economy and society, environmental protection is also more and more urgent.But the environment of monitoring is short then tens kilometers, and is long then thousands of kilometers up to a hundred.If rely on manual the monitoring, so both increased the personnel's that observe and predict labour intensity, simultaneously owing to need long term monitoring and record, need the data volume of processing big, analyze data for the person of observing and predicting and brought very big trouble and difficulty, existing detection system often utilizes instrument and equipment after the field test data environmental parameter, gets back to the laboratory and analyzes data again, but environmental parameter is often fast changing, and its data that obtain do not have real-time.
Summary of the invention
Technical matters to be solved by this invention provides the wireless sensing network system scheme that a kind of online environment detects in real time, can monitor needed environmental parameter in real time, and radio sensing network node has the characteristics of low consumption.
For achieving the above object, the technical solution adopted in the present invention is: the wireless sensing network system that online environment detects in real time, it is characterized in that, first processor is connected with other environmental parameter signals with digital temperature sensor respectively, the first processor signal is connected to wireless transmitter module, wireless transmitter module is connected with the wireless receiving module two-way signaling, the wireless receiving module signal is connected to second processor, second processor is connected with first Computer signal with LCD respectively, and first computing machine is connected with the second computer bidirectional signal.
Software workflow scheme of the present invention is: the power connection running software begins, earlier systematic parameter is carried out system initialization, and the communication module of detection segment is set to emission, in order to guarantee that environmental parameter is correct, send Handshake Protocol to main frame, if main frame sends the host computer answer signal. do not receive signal, then carry out system initialization again; If receive signal, then after this process is finished, call data conversion module, the input of preparing environment parameters number amount, the intact data of digital data acquisition are checked, and are not right as image data, image data one time more then, prepare other environmental parameter inputs, if do not gathered data, then return again and gather; If the data of collection are carried out stored parameter to resulting data, the module of reception is made as accepting state, and whether checking receives data correct, if incorrect, returns reception again; If correct, EOP (end of program) then.
The present invention compared with prior art, has following advantage and good effect owing to adopted above-mentioned technical scheme:
1, the processor of platform is to be 8 series monolithics, and its development system is ripe simple, move mature and stablely, and the construction cycle lacks, and cost performance is higher.
2, the distance of the real-time detection platform transmission of online environment, transmission range can reach several meters under not with the situation of antenna, can reach bigger distance on the basis of band antenna, data can transmit automatically, and the native system extendability is strong, if measure other parameters, can carry other sensors at hardware, realize the multiparameter environment measuring, the holding state current sinking is little, can work the long period.
3, the real-time detection platform of online environment realizes the environment wireless sensing system of radio transmission-receiving function, mainly comprises data acquisition and processing (DAP) part, wireless transmission part and receives the display part.During system works, the data collector of transmitter is at first gathered signal by sensor, then, extract, sample, quantize and deposit in the single-chip microcomputer by single-chip microcomputer to data, single-chip microcomputer sends data by wireless communication module again, receiving end receives data, gives host computer and show after slave computer is handled.The wireless transmission that realizes partly is the core of total system, is directly connected to the performance of total system.
The present invention utilizes sensors sense environmental parameters such as temperature, utilizes wireless module to carry out teledata and transmits, and the test side utilizes sensor to detect, and data are sent to computing machine carries out data and handle, and can data sharing with computer networking.
Description of drawings
Fig. 1 is environment measuring design frame chart of the present invention.
Fig. 2 is wireless telecommunications flow chart of the present invention.
Embodiment
Further set forth the present invention below in conjunction with drawings and Examples.Referring to Fig. 1 and Fig. 2, the wireless sensing network system that online environment detects in real time, it is characterized in that, the singlechip chip model that first processor 103 adopts is AT89S52, it is connected with other environmental parameter 102 signals with digital temperature sensor 101 respectively, first processor 103 signals are connected to wireless transmitter module 104, wireless transmitter module 104 is connected with wireless receiving module 105 two-way signalings, wireless receiving module 105 signals are connected to second processor 106, the chip that second processor 106 adopts is identical with first processor 103, second processor 106 is connected with first computing machine, 107 signals with LCD108 respectively, first computing machine 107 is connected with second computing machine, 109 two-way signalings, and first computing machine 107 is all the little assistant of common software AccessPort mutually with the software that second computing machine 109 uses.
Embodiment:The present invention relates to the wireless sensing network system scheme that online environment detects in real time, wireless sensing network system comprises host computer monitoring of software, radio sensing network master acceptance point and a plurality of radio sensing network environmental parameter check point.As shown in Figure 1, at the detection scene correlative measurement pilot is set, digital temperature sensor 101 and other environmental parameters 102 are arranged on the test point, as relevant environment parameters such as humidity, extract by 103 pairs of data of first processor, sampling, quantification also deposits in this processor, by wireless transmitter module 104 data are sent again, wireless receiving module 105 receives data, giving LCD108 after second processor 106 is handled shows, the while data are sent to first computing machine 107 and carry out information processing, and data can also be sent to second computing machine 109 by internet or other communication interfaces and realize information sharings.Adopt the packet loss of data of distance that the reason of this wireless communication mode is to transmit, transmission lower and power consumption is lower, low-power consumption of the present invention, microminiaturization can be satisfied the user to the actual demand of current wireless communication products especially portable product, will be used widely in embedded system.
As shown in Figure 2, beginning 201, at first be to carry out system initialization 202, the sheet of wireless sensing network system selects end interface, its frequency of operation was at 433.92 MHz when sheet choosing end connected high level, connect low level and represent its frequency of operation at 434.33 MHz, the frequency of operation of native system is at 433.92 MHz, so interface is set to high level.Interface is normal operating conditions for the high level interval scale, interface is that low level is the little power consumption state of standby, holding state is set with less relevant energy resource consumption in the time of can utilizing this pin in not communication when coding, program transmits and receives the state selection then, and interface can be selected for emission state or accepting state.System is made as emission 203, sends Handshake Protocol 204, and the wait host computer replys 205, call modular converter 206, environmental parameter digital quantity input 207, is digital data acquisition intact? 208, other environmental parameter inputs 209, gathered? 210, after collection finishes, stored parameter 211, to receive main frame and be made as reception 212, send to main frame after receiving data, the data input and output pin will be connected respectively to the input and output pin of single-chip microcomputer, the data input and output that can be correlated with.Single-chip microcomputer is delivered to data on the transmitter module, through sending after the FSK modulation, received by the acceptance point receiver module, and whether inspection receives data correct? 213, correct, finish 214.
The wireless sensing network system principle of work that the online environment of the present invention detects in real time is as follows: the parameter sensors of needs test is integrated on the relevant test point, after the parameter of test simply handled through the processor of test point, the wireless sending module of passes through tested points sends to information the signal acceptance point of appointment, and the wireless transmission distance of native system can reach more than tens meters, basically can satisfy the measuring distance demand far away that environmental administration requires, and data can be sent to by communication port at the processor of receiving station and further to handle related data in the computer, and by the internet to personnel's read data that authority is arranged, and can real-time transmission data, be not subjected to the influence of factors such as weather.Works can be realized the on-line monitoring of environmental parameter, and the data that detect are reliably effective, and this works wireless transmission is far away for example, and the electric weight of consumption is few, and the working time is long.Wireless sensing network system adopts the stronger FSK mode of antijamming capability that data are carried out modulating/demodulating, realizing the radio communication of data. its frequency of operation is reliable and stable, peripheral cell is few, power consumption is extremely low and be convenient to design produces, be very suitable for design and the application of portable and hand-held product, can satisfy simultaneously the requirement of wireless transmission, it is present low-power consumption, and the ideal of low-cost wireless data transmission module is selected.
The wireless sensing network system that online environment detects in real time, wireless sensing network system comprises host computer monitoring of software, radio sensing network master acceptance point and a plurality of radio sensing network environmental parameter check point.Analog-and digital-sensor is arranged on the acceptance point point, as temperature sensor etc., test relevant environment parameter, what wireless module adopted is the few module of power consumption, adopt the packet loss of data of distance that the reason of this wireless module is to transmit, transmission lower and power consumption is lower, transfer data to the radio sensing network receiver module by the radio sensing network transmitter module, the processor of main acceptance point shows data in LCD then, perhaps send in the computing machine by serial ports, adopting serpentine to carry out impedance matching in the middle of the antenna design in the printed circuit board (PCB) design.The parameter sensors of needs test is integrated on the relevant test point, after the parameter of test simply handled through the processor of test point, the wireless sending module of passes through tested points sends to information the signal acceptance point of appointment, the demand that the measuring distance that can meet the demands is far away, and data can be sent to by communication port at the processor of receiving station and further to handle related data in the computer, and by the internet to personnel's read data that authority is arranged, and can real-time transmission data, be not subjected to the influence of factors such as weather.
The wireless sensing network system intranodal that online environment detects in real time is provided with general power end and the power supply of digital interface.
The wireless sensing network system that online environment detects in real time can be realized this parameter detecting as long as connect the respective environment parameter sensors, and system's design expandability is good.
What platform comprised the wireless sensing signal transmits and receives end, single-chip microcomputer, LCD.
Platform comprises the host computer receiving software, can receive the environmental parameter that slave computer is come in real time.
Above-described only is embodiments of the present invention, should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the invention design, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (2)
1. the wireless sensing network system that detects in real time of online environment, it is characterized in that, first processor is connected with other environmental parameter signals with digital temperature sensor respectively, the first processor signal is connected to wireless transmitter module, wireless transmitter module is connected with the wireless receiving module two-way signaling, the wireless receiving module signal is connected to second processor, and second processor is connected with first Computer signal with LCD respectively, and first computing machine is connected with the second computer bidirectional signal.
2. the wireless sensing network system scheme that detects in real time of an online environment as claimed in claim 1, it is characterized in that, its workflow scheme is: the power connection running software begins, earlier systematic parameter is carried out system initialization, and the communication module of detection segment is set to emission in order to guarantee that environmental parameter is correct, send Handshake Protocol to main frame, if main frame sends the host computer answer signal. do not receive signal, then carry out system initialization again; If receive signal, then after this process is finished, call data conversion module, the input of preparing environment parameters number amount, the intact data of digital data acquisition are checked, and are not right as image data, image data one time more then, prepare other environmental parameter inputs, if do not gathered data, then return again and gather; If the data of collection are carried out stored parameter to resulting data, the module of reception is made as accepting state, and whether checking receives data correct, if incorrect, returns reception again; If correct, EOP (end of program) then.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105608863A (en) * | 2015-11-03 | 2016-05-25 | 四川省科建煤炭产业技术研究院有限公司 | Mining-used wireless ad hoc network gas drainage pipeline measuring method |
| CN105676074A (en) * | 2016-03-11 | 2016-06-15 | 国网山西省电力公司运城供电公司 | Power transmission line fault positioning device based on non-contact type sensor |
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| CN102707688A (en) * | 2012-03-02 | 2012-10-03 | 胡学润 | Cloud-based grain monitoring system and grain monitoring method |
| CN202856796U (en) * | 2012-10-26 | 2013-04-03 | 安徽师范大学 | Tunnel environment detection device |
| CN203192210U (en) * | 2013-04-16 | 2013-09-11 | 九江学院 | Wireless sensor network system for online environment detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101521880A (en) * | 2009-03-26 | 2009-09-02 | 中国计量学院 | Wireless real-time community medical care monitoring system with security mechanism and wireless real-time community medical care monitoring method |
| CN102707688A (en) * | 2012-03-02 | 2012-10-03 | 胡学润 | Cloud-based grain monitoring system and grain monitoring method |
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| CN203192210U (en) * | 2013-04-16 | 2013-09-11 | 九江学院 | Wireless sensor network system for online environment detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105608863A (en) * | 2015-11-03 | 2016-05-25 | 四川省科建煤炭产业技术研究院有限公司 | Mining-used wireless ad hoc network gas drainage pipeline measuring method |
| CN105676074A (en) * | 2016-03-11 | 2016-06-15 | 国网山西省电力公司运城供电公司 | Power transmission line fault positioning device based on non-contact type sensor |
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Application publication date: 20130710 |